18908451

素因数分解:

$3^3\times {\mathrm{821}}^1\times {\mathrm{853}}^1$

素因数の和:1683

約数の個数: 16

約数和(自身を含む): 28079520

約数和(自身を除く): 9171069

約数列:

[1, 3, 9, 27, 821, 853, 2463, 2559, 7389, 7677, 22167, 23031, 700313, 2100939, 6302817, 18908451]

約数ペア:

[(1, 18908451), (3, 6302817), (9, 2100939), (27, 700313), (821, 23031), (853, 22167), (2463, 7677), (2559, 7389)]